Product Description

The 24” x 24” Grate & Frame is unblockable with a total open area of 249.6 square inches and a frame size of 25.33” x 25.33” that has a flow rate of 1.5 feet second at 1168 GPM and floor flow rate of 2035 GPM at 2.62 feet per second. Designed, engineered & manufactured in the USA.